What's so funny (for health and current social problems)

Ok, remember to add points.

Celery was walking when he suddenly felt a pain in his stomach. Then he said "shh". What did you say he took out? That's celery dung (diligence)! ! ! What color is celery (vegetable) dung?

Answer: yellow.

Because: Qin Shihuang (Qin Shihuang)